A REXX procedure is a program that consists of a series of tasks in one common processing file or batch file.
Many languages can be used to write programs. BASIC, which is widely used in home computing, has very few rules, but it requires writing many lines of code for an intricate program. Languages such as PL/1, COBOL, C, APL, and PASCAL have more rules, but allow you to write more functions in fewer lines.
REXX combines the simplicity of a programming language such as BASIC with features that exist in more powerful languages such as writing fewer lines. It is easier to learn, because it uses familiar words and concepts. REXX allows you to do simple tasks, yet has the ability to handle complex tasks.
To get started in REXX, you need:
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Many of us learn by looking at examples, so examples of REXX procedures are provided in this presentation. First look at the procedure, then study the explanation of the examples to see what the procedure contains. If you like, try the procedure to see how it works.